Citations
Magnetic declination and magnetic compass, 1877 - 1984-07, GBR/1928/NRI/SCC2/95/3. Needham Research Institute. |
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Magnetic declination and magnetic compass, 1877 - 1984-07, GBR/1928/NRI/SCC2/95/3. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/334220 Accessed July 01, 2024. |